.box1{
    width: 100px;
    height: 60px;
    background:linear-gradient(105deg,
                              rgba(2,255,255,0.2),
                              rgba(50,50,50,1)
                               );
    /* url(thing.png) center center /32px 32px no-repeat
    rgba(2,245,235,0.2), 
    rgb(100,94,34)*/
} 

.box5{
    width: 140px;
    height: 140px;
    background-image: url(thing.png);
}

.box5:hover{
    cursor: pointer;
    background: url(noword.png) no-repeat 0px 0;
}